MoDOT Carrier Express: Missouri’s IRP System

Quick Answer

MoDOT Carrier Express (mcs.modot.mo.gov) is Missouri’s portal for apportioned registration, run by MoDOT Motor Carrier Services in Jefferson City (1-866-831-6277). IRP renewals are staggered into four quarters with split deadlines — application due 3 months and payment due 1 month before your plate expires. Every application needs proof of Heavy Vehicle Use Tax for power units at 55,000 pounds or more (e-file watermark with VINs, stamped Schedule 1, or cancelled check plus Schedule 1) AND a paid county personal property tax receipt.

Missouri splits heavy-truck registration between two agencies: the Department of Revenue’s contracted license offices handle intrastate titling and plates, while MoDOT Motor Carrier Services runs everything interstate — IRP, IFTA, and operating credentials — through its Carrier Express portal.

Two things make Missouri paperwork distinctive: a renewal calendar with four staggered quarters and split deadlines, and a statutory double-gate that demands your federal tax proof and your county property tax receipt before any plate is issued.

What MoDOT Carrier Express handles

Carrier Express is the online home for Missouri IRP accounts: new applications, renewals, supplements, and payments, backed by Motor Carrier Services at 830 MoDOT Drive, Jefferson City (1-866-831-6277 or 573-751-7100, contactmcs@modot.mo.gov). Title work still happens at a Department of Revenue motor vehicle office — MoDOT will not accept assigned (signed-over) titles, salvage titles, or bills of sale; the truck must be titled in the registrant’s own name first.

Four quarters, two deadlines each

Missouri staggers IRP into four registration periods, with plates expiring December 31, March 31, June 30, or September 30 — and each has two deadlines. The renewal application is due three months before your plate expires; payment is due one month before. Filing late costs $100; paying late costs $50 per power unit (up to $150).

MoDOT also holds renewals until IFTA and UCR are current, so the 2290 is one item on a longer clean-file checklist.

The 2290 proof MoDOT accepts

For every power unit licensed at 55,000 pounds or more, MoDOT’s acceptable-documents list names three formats:

  • A copy of the electronic filing showing all VINs and the IRS e-file watermark — what e-filers receive within minutes
  • A Schedule 1 stamped by the IRS
  • A front-and-back copy of the cancelled check together with the Schedule 1 listing the VINs — with the bank account number blacked out (MoDOT says so explicitly)

Missouri publishes its own written grace rule: no proof of payment is required for newly purchased vehicles if the purchase date is within the last 60 days. The federal filing deadline still runs, so the watermarked Schedule 1 should exist long before day 60.

The second gate: the county property tax receipt

Missouri statute (RSMo 301.025) bars any registration unless the application comes with a paid personal property tax receipt for the preceding year showing no delinquencies. For IRP, the receipt must come from the county collector where the carrier is based and be in the titled owner’s or registrant’s name; a county-issued waiver or a no-Missouri-distance affidavit can substitute. New IRP accounts also need three proofs of Missouri residency at a physical address — PO boxes are not accepted.

Frequently asked questions

When is my Missouri IRP renewal due?
It depends on your assigned quarter — plates expire December 31, March 31, June 30, or September 30. Whichever is yours, the application is due three months before expiration and the payment one month before, with $100 late-filing and $50-per-unit late-payment penalties.
Why does Missouri want a property tax receipt for truck plates?
State law makes it a registration condition: RSMo 301.025 requires a paid personal property tax receipt for the preceding year (all taxes, including delinquencies, settled) before any plate is issued. IRP carriers can substitute a county waiver or, if they ran no Missouri miles, an affidavit.
What 2290 proof works at a Missouri license office vs. MoDOT?
MoDOT publishes the detailed list (e-file watermark with VINs, stamped Schedule 1, or cancelled check plus Schedule 1). The statute behind the license-office check simply requires proof "in such form as may be prescribed by the United States Secretary of the Treasury" — in practice, the same IRS-receipted Schedule 1 serves both agencies.
Does Missouri require the 2290 for trailers?
No — MoDOT’s own guidance says trailers are not applicable. The Heavy Vehicle Use Tax attaches to power units at 55,000 pounds or more.

Related guides

More in State Motor-Carrier Portals & IRP Offices

Official sources

Agency rules, fees and contacts can change — confirm current requirements with the agency before acting. This guide is general information for truckers, not tax or legal advice.

Need your stamped Schedule 1 for the paperwork above?

E-file Form 2290 with Send 2290 and download the IRS-watermarked Schedule 1 — typically within minutes of IRS acceptance.

E-File Form 2290